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PPSN
2010
Springer
15 years 5 months ago
First-Improvement vs. Best-Improvement Local Optima Networks of NK Landscapes
Abstract. This paper extends a recently proposed model for combinatorial landscapes: Local Optima Networks (LON), to incorporate a first-improvement (greedyascent) hill-climbing a...
Gabriela Ochoa, Sébastien Vérel, Mar...
ISAMI
2010
15 years 5 months ago
GRASP for Instance Selection in Medical Data Sets
Abstract Medical data sets consist of a huge amount of data organized in instances, where each one contains several attributes. The quality of the models obtained from a database s...
Alfonso Fernández, Abraham Duarte, Rosa Her...
IFIP12
2009
15 years 5 months ago
Revealing Paths of Relevant Information in Web Graphs
In this paper we propose a web search methodology based on the Ant Colony Optimization (ACO) algorithm, which aims to enhance the amount of the relevant information in respect to a...
Georgios Kouzas, Vassilis Kolias, Ioannis Anagnost...
PVLDB
2010
116views more  PVLDB 2010»
15 years 2 months ago
Computing Closed Skycubes
In this paper, we tackle the problem of efficient skycube computation. We introduce a novel approach significantly reducing domination tests for a given subspace and the number of...
Chedy Raïssi, Jian Pei, Thomas Kister
CORR
2011
Springer
215views Education» more  CORR 2011»
15 years 1 months ago
The total path length of split trees
We consider the model of random trees introduced by Devroye [SIAM J Comput 28, 409– 432, 1998]. The model encompasses many important randomized algorithms and data structures. T...
Nicolas Broutin, Cecilia Holmgren